Debt orders take off before agreed date

My payday loan was set to be paid back on 27 July, it was taken today (24 July) and then I receive a mail that says it will come off on 25 July.<br> <br> My pay date is on 27 July, you have now take the only money in my account so how must I make it to payday???<br> <br> I have sent mails with no response!!!